The U.S. Centers for Disease Control and Prevention (CDC) on May 13 advised that fully vaccinated people do not need to wear masks outdoors and can avoid wearing them indoors in most places, updated guidance the agency said will allow life to begin to return to normal. Reuters lays out some of recent scientific evidence on which the CDC and Director Rochelle Walensky based their updated guidelines, including vaccine efficacy against virus variants, increased availability and a reduction in cases.

The U.S. Centers for Disease Control and Prevention (CDC) has not found a link between heart inflammation and Covid-19 vaccines, the agency’s Director Rochelle Walensky said on April 27.